Report hint about OOM kill in pilot-agent (#17306)
Report hint about OOM kill in pilot-agent (#17306)

There have been many many issues reported about "signal: killed" error
messages. These almost always indicate OOM killing. Hopefully logging
this can save some debugging.
smawson/istio,smawson/istio,istio/istio,smawson/istio,istio/istio,smawson/istio,smawson/istio,geeknoid/istio,geeknoid/istio,geeknoid/istio,smawson/istio,istio/istio,istio/istio,geeknoid/istio,geeknoid/istio,istio/istio,geeknoid/istio